A high gain boost converter with input current ripple reduction

Input current ripple from a switching power supply contains considerable low order harmonics, necessitating extra design efforts for reducing the amount of electro magnetic interference. This paper presents a boost converter achieving input current ripple reduction by the proper designing of inductors. This is achieved with minimal number of components. The high voltage gain of this converter eliminates boosting transformers from the circuit. This converter is best suited for renewable energy applications where continous current with minimum ripple is essential. A comparison of switching of the converter with another switching scheme has been obtained for validation. Better line and load regulation is achieved by implementing a closed loop control.

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